From: Majonestx (majonestx@gmail.com)
Date: Fri Aug 15 2008 - 21:38:45 ART
Yes! You got it. I'll tell you one thing internetworkexpert materials
can fry your brain at times.
:)
Sent from my iPhone
On Aug 15, 2008, at 7:35 PM, Hobbs <deadheadblues@gmail.com> wrote:
> Is your requirement not to use sparse-dense mode or autorp listener?
> Never tried that but it's interesting...
>
> On Fri, Aug 15, 2008 at 4:54 PM, Michael Jones <majonestx@gmail.com>
> wrote:
> Experts I can not wrap my brain around this, please help!
>
> Scenario: I'm running all sparse mode interfaces, the workbook is
> asking for
> R2(below) to be Auto RP/ C-RP and MA.
>
> The announce command takes care of the C-RP
> The discovery command takes care of MA
> The static RP command takes care of the auto rp- because its tied
> to the
> access lits. The access lists says only permit 150.1.2.2 to be the
> auto rp
> for the mentioned groups.
>
> What I do understand is that the candidate RP will talk on the
> 224.0.1.39address while the Mapping agent listens exclusively for any
> Candidates
> talking on that address. The Mapping agent then turns around and
> speaks on
> the 224.0.1.40 for the "client routers"and tells them who the RP is.
> What I
> don't understand is, why do you need the access lists ?? If
> 150.1.2.2 is
> the only speaking candidate in the network, shouldn't this become
> the RP by
> default for all multicast groups ? Also is this really auto RP ?
> Because
> without the Auto rp listener command or sparse dense mode on the
> interface
> how is that 224.0.1.39/40 even getting pushed out since they're no
> sparse-dense/dense mode interfaces ???
>
>
> ip pim rp-address 150.1.2.2 1
> ip pim send-rp-announce 150.1.2.2 scope 16
> ip pim send-rp-discovery Loopback0 scope 16
> !
> access-list 1 permit 224.0.1.39
> access-list 1 permit 224.0.1.40
>
>
> Thanks in advance for getting me straightened out!
>
>
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